import sys

import json
from importlib.resources import open_text, open_binary
from importlib.readers import FileReader
from importlib.machinery import SourcelessFileLoader
from io import BufferedReader
from pathlib import Path

import yaml
from random import random, seed
from copy import deepcopy

from pygame.transform import scale
import pygame

from starsky_presenter.controller.window import ControlWindow
from starsky_presenter.projection.screen import Screen, Star

def dict_update(d1: dict, d2: dict) -> dict:
    out = deepcopy(d1)
    out.update(d2)
    return out

def cli_main():
    seed(43)
    reader = FileReader(SourcelessFileLoader("resource_loader", f"{Path(__file__).parent}/resources"))

    scenes = yaml.safe_load(reader.open_resource('resources/scenes.yml'))
    objects = yaml.safe_load(reader.open_resource('resources/objects.yml'))

    scene_data = [{ obj['sid']: deepcopy(obj) for obj in objects["stars"] }] + [
        { obj['sid']: dict_update(obj, scenes[i][obj['sid']]) if scenes[i] and obj['sid'] in scenes[i] else deepcopy(obj) for obj in objects["stars"] }
        if i < len(scenes) else { obj['sid']: deepcopy(obj) for obj in objects["stars"] }
        for i in range(0,8)
    ]

    star_references = {}

    print(json.dumps(scenes, indent=4))
    print(json.dumps(objects, indent=4))
    print(json.dumps(scene_data, indent=4))

    def setup_star_instance(data: dict) -> Star:
        image_path = f"resources/{data['image']}"
        image = pygame.image.load(reader.open_resource(image_path))
        data['image'] = image
        star = Star(**data)
        star_references[data['sid']] = star
        return star


    stars = [ setup_star_instance(star) for star in objects["stars"] ]

    # load the background image
    background = pygame.image.load(reader.open_resource(f"resources/{objects['background']}"))

    screen = Screen(stars, background)
    control_window = ControlWindow(screen)

    while control_window.is_running():
        control_window.process_events()
        screen.update(scene_data)


    screen.close()
    control_window.close()



if __name__ == "__main__":
    cli_main()